Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 84
13 = 12 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 12
- MissingPart
- 1
- Difficulty
- normal
Number bond: 2 = ? + 1
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
13 = __ + 3
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Answer: 10
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 3
- MissingPart
- 10
- Difficulty
- normal
Complete the number bond: 10 = __ + 2
Show answer
Answer: 8
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 2
- MissingPart
- 8
- Difficulty
- normal
15 = 14 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 14
- MissingPart
- 1
- Difficulty
- normal
16 = __ + 14
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 14
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 13 = __ + 12
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 12
- MissingPart
- 1
- Difficulty
- normal
Number bond: 10 = 8 + ?
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 8
- MissingPart
- 2
- Difficulty
- normal
Teaching Notes
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